elementary OS is a free, fast and aesthetically pleasing operating system based on Ubuntu .




elementary OS is a free, fast and aesthetically pleasing operating system based on Ubuntu .




Lets you sync your data and preferences (such as your bookmarks, history, passwords, open tabs and installed add-ons) across all your devices. It's free to use.

IntelliJ IDEA is the JetBrains IDE for pro development in Java and Kotlin. Built for your comfort, it unlocks productivity, ensures quality code, supports cutting-edge tech, and protects your privacy.




IDE for Python and Django offering refactoring, code analysis, VCS integration, debugger, deployment, and more, with a Community Edition option.


Homebrew is the easiest and most flexible way to install the UNIX tools Apple didn’t include with macOS. Also available for Linux.


Share files, host sites, and chat securely and anonymously via Tor using direct, password-protected onion services. No third-party servers or metadata stored.




Portal™ is a puzzle game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative games on the horizon and will offer gamers hours of unique gameplay.




Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.




The open source AI code editor. Write code with the best AI tools, use any model, and retain full control over your data.




Strawberry is a music player and music collection organizer. It is a fork of Clementine released in 2018 aimed at music collectors and audiophiles. The name is inspired by the band Strawbs. It's written in C++ using the Qt framework.






Cross-platform DAW for multitrack audio and MIDI recording, editing, mixing, mastering, scriptable automation, plugin support, and customizable workflow.




Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages.




Offers offline access to Wikipedia and other web content using ZIM format, with full text search, export options, multi-language support, and platform compatibility.




SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.




The I2P network provides strong privacy protections for communication over the Internet. Many activities that would risk your privacy on the public Internet can be conducted anonymously inside I2P.




Ardour is a hard disk recorder and digital audio workstation application. Record, edit, and mix on Linux, Mac OS X, and Windows.








Flexible accounting software for personal and small business use, GnuCash is freely available under the GNU GPL, supporting multiple OS and financial tasks.




GNU nano is a small and friendly text editor. Besides basic text editing, nano offers many extra features like an interactive search and replace, go to line and column number, auto-indentation, feature toggles, internationalization support, and filename tab completion.




An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.




yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button. You can use yEd to quickly create flow charts, BPMN and UML diagrams...




Kubuntu is an official "flavor" of Ubuntu that uses the KDE Plasma desktop environment. This gives it a completely different look and feel.


[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]



